In compliance with the Seattle Municipal Code, the Seattle Department of Transportation annually prepares a traffic report, outlining data collected on traffic volumes, collision rates and enforcement within Seattle. The department prepares this report as a way of highlighting current conditions on city streets, along with trends for usage and collisions.

In gathering and compiling the information in this report, the Seattle Department of Transportation does not waive the limitations on this information’s discoverability or admissibility under 23 U.S.C § 409.

Traffic Reports

Click on the reports below to see the traffic data collected and analyzed by SDOT on an annual basis.